19983605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 5163979

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2267, 8815, 11335, 92947, 97481, 464735, 487405, 3996721, 19983605]

約数ペア:

[(1, 19983605), (5, 3996721), (41, 487405), (43, 464735), (205, 97481), (215, 92947), (1763, 11335), (2267, 8815)]